Plateletrich rich fibrin (PRF) is an autologous healing biomaterial, which incorporates a matrix of autologous fibrin, leukocytes, platelets and growth factors, harvested from a simple blood sample. Various growth factors present in PRF are well-known source of cytokines, usable for clinical applications. Grade II furcation lesion is essentially a culde-sac with a definite horizontal component and involvement of the interradicular bone without a through-and-through ability to probe. Furcation defects represent a formidable problem in the treatment of periodontal disease, which is related to the complex and irregular anatomy of furcation. The early Grade II furcation requires surgical management. Surgery permits access for root debridement, odontoplasty, osseous recontouring, and periodontal regeneration. Regeneration of the previously destroyed periodontal attachment tissues is biologically possible, and the regeneration has become the goal of therapy since the 1990s. Regenerative attempts such as bone grafts, guided tissue regeneration, application of growth factors, and enamel matrix derivatives are currently used for periodontal regeneration in the treatment of Grade II furcation involvements which under favorable conditions, can induce roughly 60-70% regeneration of the bone lesion's height or volume, with concomitant improvement in the clinical conditions. This review will help in understanding regenerative property of PRF in furcation defects.
Background:The management of the furcation areas in multirooted teeth is often challenging due to difficulty in access. Platelet-rich fibrin (PRF), a second-generation platelet concentrate, has shown to accelerate the healing of soft and hard tissues. This study was designed to evaluate the efficacy of autologous PRF as a membrane in treatment of Grade II furcation defects in molars as compared to collagen membrane along with demineralized freeze-dried bone allograft in both the groups.Materials and Methods:A split-mouth study was planned with 18 patients having 2 sites of Grade II furcation defects each. Random allocation of the defect site was done for the test and control group. Plaque index, probing depth (PD), relative vertical clinical attachment level (RVCAL), gingival marginal level, and radiographic bone levels were recorded at baseline, 3 months, and 6 months postoperatively.Results:Both the groups showed statistically significant outcomes in intragroup comparison from baseline to 3 and 6 months. However, there was no statistical difference between PRF membrane and collagen membrane groups on intergroup comparison.Conclusion:There was a significant reduction of PD, improvement in RVCAL, and defect fill with autogenous PRF as membrane. This indicates its role as a regenerative material in treating furcation defects, which can be used as alternative to other expensive membranes.
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